Stickler: Proof It's Done

Stickler asks for proof from the thing itself: scan the sticker on the pill box, the barcode on the package, tap an NFC tag, or take a photo of the lock that your phone compares with your reference photo. Every proof becomes a receipt with the exact time. FOUR WAYS TO PROVE IT • Stickler stickers: print a sheet from the app and put one on the thing. • The barcode that's already on the package, nothing to print. • NFC tags the app writes itself. • Photo match: a new photo is compared with the reference photo, entirely on your iPhone. LOCKED OR UNLOCKED, ON OR OFF Take one photo of what it looks like when it's done and one when it isn't, like locked and unlocked. Then the proof has to look more like "done" than "not done", and the receipt shows both scores. RECEIPTS THAT ANSWER "DID I?" The Did I? tab shows the last proof for every thing: when, how, and the photo. The same answer is in a…